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Questions And Answer

• Introduction

  3-Ureidopropyltriethoxysilane is a bifunctional organosilane having a reactive organic ureido group and a hydrolyzable inorganic triethoxysilyl group. The dual nature of its reactivity allows 3-Ureidopropyltriethoxysilane to bind chemically to both inorganic materials (e.g. glass, metals, fillers) and organic polymers (e.g. thermosets, thermoplastics, elastomers), functioning as an adhesion promoter and as a surface modifier. 3-Ureidopropyltriethoxysilane is a 50% solution of silane in methanol; it is a colorless liquid with an alcohol-like odor and is soluble in alcohols, ketones, esters or aromatic hydrocarbons.
  
  Applications:
  • 3-Ureidopropyltriethoxysilane can be used with such polymers as epoxy, phenolic, furan and melamine resins, polyurethanes, PA, PBT, PE, EVA, PP, PVB, PVAC, acrylics and silicones.
  • Used as a size constituent of finish for glass fiber/glass fabric composites.
  • Used as an additive to phenolic, furan and melamine resins for foundry resins and abrasives.
  • Used as an additive for sealants and adhesives.
  • 3-Ureidopropyltriethoxysilane can be used as an additive and/or primer for paints and varnishes to improve adhesion to the substrate.
  The most important effects which can be achieved using 3-Ureidopropyltriethoxysilane are improvements in product properties, such as:
  • Improved mechanical properties: e.g. flexural strength, tensile strength, impact strength, modulus of elasticity.
  • Improved resistance to moisture and corrosion.
  • Higher temperature of deflection under load.
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